How long has the dog been on this food? Is it possible that he doesn't like it? If he's a healthy weight, I'd suggest simply altering the amount you offer to what he'll likely finish in one sitting.
Just to be clear, this behavior did not just start out of nowhere, correct? If it did, that's reason for concern and investigation.
Just to be clear, this behavior did not just start out of nowhere, correct? If it did, that's reason for concern and investigation.
